A trainee dentist treats teeth of patient robot ‘Simroid’ by Kokoro Company Ltd during the 2007 International Robot Exhibition at Tokyo Big Site on November 28, 2007 in Tokyo, Japan. The robot reacts to dentists treatments when the robot sensors pain and discomfort, The robot is expected to help bringing up dentists take care of mental aspect of the patients. The International Robot Exhibition takes place every 2 years since 1973. By Koichi Kamoshida/Getty Images.
The Dish 